RO121488B1 - Ventilating device - Google Patents

Abstract

The invention relates to a ventilating device for in-door spaces in buildings, which may be used as heat exchanger for air conditioning of buildings. According to the invention, the ventilating device can be easily adapted to the space available therefor and an individual regulation of the temperature in the rooms of the building by the fact that it comprises two impellers extending in longitudinal direction around an axis of rotation, each of the impellers being adapated to suck air from an ambient atmosphere in a transverse direction on/ over a substantial part of the impeller length, a motor (16) connected to the impellers (2), so as to cause rotation of the impellers (2) ground its axis, at least one holding member (5) at each end of the impellers for holding the impellers (2), a cover (6) for covering the holding members (5) and the impellers (2), provided with some openings so as to allow a flow of air towards the impellers (2) and out of impellers (2), the cover comprising a connector (6) to the holding member (5). In one embodiment, the proposed device comprises at least two impellers (2), a motor (16) connected to the impellers (2) and at least a coupling for transmitting the driving force of the motor (16) from the first impellers (2) towards the further one of the impellers (2), the device being adapted to be mounted to a heating or cooling pipe.

Description

The invention relates to a device for ventilating the interior spaces of buildings, which can be used for air conditioning of buildings as a heat exchanger.

US Patent 4126268 discloses a portable unit with room temperature regulator, having a housing provided with an air actuator, arranged between an air inlet and an air outlet, the air outlet supplying forced air underneath a fixed ventilation system , room, respectively a motherboard or a convective heater with which the unit is designed to operate. In one embodiment, the unit has a motor driven fan, which is regulated by a pair of thermostats. In operation, the unit is located beneath a ventilation system and the air is sucked into the unit by the fan and forced along a pipe and directed through baffles or guide elements to a prominent part and then outwardly through an outlet. above, through the ventilation system. The ventilation system is opened along its lower part and the heat penetrates through the blinds, along an upper front portion. The unit housing has an enlarged central portion, with the air pipe extending on each side. A protruding part, which continues along the housing, extends beneath a radiator and is provided with a series of openings with slots facing upward, positioned transversely to the length of a unit and extending therewith. The central portion houses an engine, which is the drive element of a blower with transverse flow, having blades that extend on each side of the engine.

US Patent 4754697 discloses a portable fan system, which can be used both as a cooling fan for ambient air circulation and as a system for increasing air flow through a register. The system comprises a housing, containing both a fan rotor and an electric motor for actuating the rotor, the housing having a skirt surrounding a lower air intake. The stator portion of a conventional electric motor is mounted on a mounting plate. The motor rotor shaft has an end that is designed in an elastic coupling, which is also fixed by the end of a tangential fan rotor.

Other systems are known from US 5181884 and 4511786. An object of the present invention is to provide a ventilation device, the extension of which can be easily adapted to the space available for this purpose, to provide a ventilation device which it can be easily installed in a new or existing building, while also allowing individual room temperature adjustment.

Another object of the invention is to provide a ventilation device that is capable of utilizing the available space of a room, to a maximum degree, to provide a ventilation device that generates as little aerodynamic noise as possible, to provide a ventilation device for a building, which is easy and inexpensive to manufacture and install, to provide a ventilation device that can be used as a heat exchanger and can be easily mounted at the cooling or heating pipe of the building.

The ventilation device, according to the invention, ensures the achievement of said aspects, in that it comprises:

- at least two rotors extending longitudinally around an axis of rotation, each of the rotors being adapted to aspirate air from an ambient atmosphere in a transverse direction over a substantial portion of the rotor length;

- a motor, which is preferably electrically driven, connected to the respective rotors, so as to cause the rotors to rotate around said axis;

- at least one support element at each end of each of the rotors, for supporting the rotors;

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- a cover for covering the support elements and the rotors and having openings 1 formed therein, so as to allow a flow of air in and out of the rotors, the cover comprising a connector for connecting the cover to the support element, in which 3 the support member is adapted to cooperate with the cover connector so as to connect or secure the cover to the support member. 5

The support member can be adapted to connect with the possibility of release or attachment of the support member, or the support member can be fixed as an alternative cover 7. The connector may comprise a part or an assembly of several parts, for connecting or securing the lid support member. Accordingly, a unit is provided in which the rotors, the lid and, optionally, a chassis are integrated, and also optionally one or more pipes containing the heating or cooling fluid. This has the beneficial effect that the ventilation device is easy to install, for example in existing buildings. Furthermore, the rotary wheel 13 can be mounted in such a way that they can be easily removed, for example for cleaning purposes. In a preferred embodiment of the invention, no 15 channels or pipes are required for the transport of the airflow that exits the rotors to the outlet of the cap which gives a reduced pressure loss and thus a reduced energy consumption of 17, as well as and low aerodynamic noise level.

Moreover, due to the integrated nature of the device, its weight can be very low 19, thus facilitating installation.

Each of the rotors preferably has blades that extend along virtually the entire 21 length of the rotor. Each rotor is preferably adapted to suck air into the rotor in a first transverse direction and to discharge the air out of the rotor in a second transverse direction 23, which may be, for example perpendicular to the first transverse direction. The motor may be connected to a series of rotors at one end of the series of rotors, in which case 25 the rotors may be mutually interconnected, by a coupling or a power transmission assembly. As an alternative, the motor can be arranged between two rotors, in which case, each 27 of the two rotors can be connected to other additional rotors or mounted to other rotors. The engine can comprise any engine available on the commercial market, electrically operated, 29 producing adequate power at a revolution speed appropriate to the purpose.

The device may be adapted to be mounted to a pipe containing a heating or cooling fluid 31 and to keep the rotors and the pipe in fixed positions relative to each other, the rotors and the lid being adapted to cause as a substantial part of the flow of air that 33 exits from the rotors to flow in a transverse direction along the surface of the pipe and back into the ambient atmosphere. If the device is adapted to support two pipes, for example 35 a supply pipe and a return pipe, the device is preferably adapted to cause 40 ... 60% of the air flow coming out of the rotors to flow into around one of 37 pipes, and the rest of the flow to flow around the other pipe.

The pipe or pipes may be supported by the support member or they may be supported 39 by a housing or pipe support. The separate housing or the pipe support can be connected to the support member in a fixed manner or with the possibility of release. 41

The fluid-containing pipe may be a hot water pipe, a steam pipe or a hot air pipe, connected to or being part of a hot or air or 43 steam source, for example a district heating source or a central heating source connected to or contained in a building. The fluid may comprise water, steam or air, or any other suitable environment. On its outer surface, the pipe can be provided with hedgehog spikes or fins to improve heat transmission. 47

EN 121488 Β1 In the case of a ventilation device used for cooling purposes and a pipe containing a cooling fluid, an absorption layer or film may be provided for the absorption of condensed water. The absorbent layer or film may be provided in a drip pan contained in the system. The drip tank is especially useful if the pipes extend in a different direction from the horizontal. The absorption layer can be made from a fabric of inorganic material, such as cellulose fibers. The layer is preferably adapted to distribute drops of condensed water over the entire surface of the layer. As an alternative to the absorption layer or in addition to the absorption layer, a drainage pipe may be provided for directing the condensed water outwards. The drainage pipe may comprise one or more openings, to allow condensed water to enter the pipe, such as a slot extending longitudinally to the top of the pipe. The drainage pipe may be mounted or supported by a support element, or it may be mounted or constitute an integral part of the lid. A suction system may be provided in the drainage pipe, in order to effectively suck the condensed water from the absorbent layer or film or from the droplet.

The support member may be made of steel or any other metal, such as aluminum or metallic aluminum, or of a plastic material, and may be adapted to be fixed with respect to, for example, a wall or floor. building. It may comprise holes or grooves for the pipe and / or rotor bearings. The support member is preferably designed so that it can be easily detached from the rotors and / or pipe, optionally including any possible return pipe for the fluid. A groove for supporting a pipe or a rotor bearing can be constructed as an elastic flange that surrounds the pipe or bearing of the rotor only on one side of its periphery. As an alternative or additionally, the support member may be provided as a bored hole or as an opening for hosting and supporting the rotor or pipe bearing.

The support member may be adapted to support only one rotor, or it may be adapted to support two rotors in a back-to-back manner. It is preferable for each rotor to be supported by a support member at each of its ends. Each support element can be adapted to be adjusted in a transition zone between two walls of the room or in a transition zone between wall and floor, or between wall and ceiling. A chassis can be provided, the supporting elements being mounted or connected to the chassis.

The heat transfer can be relatively high, considering the noise generated by the device compared to the devices known in the current practice. In a typical application of the ventilation device, when used as a heat exchanger, the heat exchange is 200 ... 400 Watt per meter, such as 300 Watt per meter, at a rotor speed of 1000. .2000 revolutions per minute, for example 1500 revolutions per minute, and the temperature difference between ambient air and fluid at 3O ... 4O ° C, such as approximately 35 ° C, and with two pipes, such as a food and a return.

It is preferable that the rotors and their bearings be made so that the mechanical and aerodynamic noise generated by the rotors and their bearings are not detectable by the human ear at a distance of 1 m from the system, respectively the noise being less than 20 dB (A ). where a higher level of noise is acceptable, for example in an office building where a noise level of about two times higher than the above noise level is acceptable due to the noise generated by the fans, e.g. calculators, the transmitted effect can be up to 400 ... 800 Watt per meter, such as approximately 600 Watt per meter, in the above-mentioned economic conditions. The lid can be made of metal, such as aluminum, steel or steel alloys, or it can be made of plastic. It is preferable for the lid to comprise one or more openings to allow air to enter and exit the rotors, passing through them. The openings can be made in the form of blinds.

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The cover can be adapted to be fixed or mounted with the possibility of detachment to a wall 1 or to the floor of the building, or it can be adapted to be fixed or mounted with the possibility of detachment or connected, for example connected with the possibility of pivoting, to the support elements . 3 The lid can be formed in the form of a plate with a 90 ”bent part, which extends along the entire length. It may be provided with a projecting portion or 5 collar portion for engagement with one or more appropriate grooves in the support elements. The lid can have two sets of openings, one set being provided 7 at one of the surfaces of the lid and allowing air to enter the rotors in a first transverse direction, and the other set provided for the other surface and allowing air to escape or 9 to exit the rotors. in the second transverse direction. If the longitudinal extension of the ventilation system is greater than the length of the available lid, a plurality of covers may be arranged in series.

It is appreciated that while the ventilation device is easy to assemble and 13 installed in both new and existing buildings, the length of the ventilation device can be easily varied, by varying the number of rotors and support elements and by adjusting the lid length 15 accordingly. As a result of the integration of the pipe and the rotor by means of the support member, the invention allows for a compact design, while the ventilation device 17 is not dependent on the presence of other external systems than the pipe connected to a cooling or heating source. Thus, the ventilation device according to the invention is flexible and easy to handle.

The pipe is preferably a fluid supply pipe. The ventilation device 21 may further comprise a fluid return pipe in addition to the pipe or the supply pipe, in which case the system may be adapted to support the return pipe in relation to the rotors 23 and the supply pipe. The support member can support the return pipe in a fixed position relative to the rotors and the supply pipe. The supply pipe or pipe may comprise a hedgehog pipe. It is preferable that the rotor and lid, as well as any nozzles or guide elements included in the ventilation device, are designed in such a way as to cause most of the flow coming out of the rotor, and preferably the entire flow, to flow through the supply pipe. A scaffold extending longitudinally to the flow guide is preferably mounted on the inside of the lid. The chassis or guide element is preferably designed to minimize aerodynamic noise and can be lined or even made of insulation material. The slide or guide member may be a separate member or, as an alternative, an integral part 33 of the lid. If the baffle or guide member is a separate member, it may be adapted to be mounted on the pipe or pipe, for example by a clamping mechanism. If the baffle or guide member is an integral part of the lid, the lid and baffle / guide member may be made as a single piece, for example 37 by casting or extrusion or from a plastic material.

For heating purposes, the fluid in the supply pipe may be at a temperature 39 higher than the ambient air temperature, while for cooling purposes, the fluid in the supply pipe may be at a lower temperature than the ambient air temperature 41. The lid, preferably on its inner side opposite to the pipe and rotor, may be lined or provided with an insulation material so as to minimize the heat exchange coefficient between the pipe (or pipes) and the ambient air, then when the rotor is not in operation. 45

A plurality of rotors can be mounted on a common shaft in series with the motor arranged at one end of the series. As an alternative, the motor can be arranged between two rotors in series. Furthermore, an engine may be provided in the ventilation device.

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Each of the support elements preferably comprises a bearing arrangement for the rotor or rotors which are supported by the bearing arrangement. The bearing may include bearings or roller bearings, including bearings or bearings, needle bearings or sliding bearings. It is preferable to have a bearing base, which is adjacent to the outer surface of the bearings with bearings or balls, the bearing block being mounted in a hole or groove, in the support element. The bearing block is made, preferably of a heavy and inexpensive material, such as a metal, such as steel, zinc or bronze, and can be used to dampen vibrations. The bearing can be adapted to dampen the vibrations of the rotors so as to dampen the mechanical noise generated by the rotors and the moving parts associated with them, and / or to extend the life of the moving parts. In order to dampen the vibrations, an elastic ring between the bearing sole and a hole or groove in the support member can be adjusted.

In order to transmit the rotation from one rotor to another, a sleeve element may be provided, the sleeve element having, on the one hand, a collar-like portion, in which an end portion of a rotor is adjusted. The sleeve element can be mounted at one end of the shaft extending through the bearing. At the other end of the shaft, another sleeve element can be fitted, which sleeve element is engaged with the next rotor. It is preferable that the collar-like portion of the sleeve element be engaged with a ring-shaped element, provided on the outer periphery of the rotors at their respective ends. The rotation can be transmitted from one rotor to another, through the collar or sleeve elements of the respective rotors and the axis on which both sleeve elements are mounted. The sleeve element can be further adapted to dampen vibrations. It is preferable that the sleeve element be made of an elastic material. This makes it easy to remove the rotors, for example for cleaning or maintenance purposes.

It is preferable that the elastic ring be made of a material that is softer than the material from which the elastic element of the sleeve type is made. The elastic rings can be made of a soft rubber material, such as pore. The sleeve element may be made of a harder rubber material, such as silicone, or a plastic material such as polyethylene, which may be formed, for example by injection molding.

In order to adjust the amount of heat transmitted by the ventilation device and thus regulate the temperature, for example, of a room in which the ventilation device is installed, a thermostat is provided for measuring the ambient temperature and for adjusting the rotational speed of the rotors as response to ambient temperature.

In a second aspect, the invention relates to a ventilation device, comprising:

- at least two rotors extending longitudinally around a rotation axis, each of the rotors being adapted to suck air from the ambient atmosphere in a transverse direction over a substantial portion of the rotor length;

- a motor, preferably an electrically driven motor, connected to at least the first of the rotors, so as to cause the rotation of all the rotors around said axis;

- at least one coupling or an assembly for transmitting the driving force from the first rotor to the second of the rotors of the ventilation system.

In this way, only one motor is provided for actuating the plurality of rotors, thereby reducing the number of motors required to use the ventilation device, since a single motor is required to operate two, three, four, five, six or more rotors. , such as seven, eight, nine, ten or more than ten rotors, and

EN 121488 Β1 at the same time it is necessary to power only one motor. In this way, the costs required to purchase, install and operate the device may be lower than if several engines would be used and the installation of the device may be facilitated. 3 In addition, the flow of air entering and exiting the device may be uniformly distributed throughout the system, as the entire length or almost the entire length of the device may be occupied by the rotors.

The motor may be provided at one of the ends of the first rotor and the coupling may be provided at one end of the rotor which is opposite to the end to which the drive motor is connected. In this way, a driving force is applied to the first rotor, at one end 9 thereof, the driving force being transmitted from the first rotor to the second rotor at the opposite end of the first rotor. The coupling may be so constructed that it comprises one or more portions which engage the outer periphery of the first and / or the second rotor and which transmits an actuating force from the first rotor to the second rotor. . 13 additionally or as an alternative to the above, the coupling may comprise an axis interconnecting the first and second rotors, or it may comprise a frictional coupling, such as, for example, a coupling, wherein a disc, at one end of the first rotor, is engaged by forced friction with another disc, at the end of the second rotor, or a coupling 17 in which the two rotors have portions which are in mutual engagement forced by electromagnetic forces. 19

As described above in connection with the device, according to the first aspect of the present invention, the coupling may comprise a sleeve member having a collar-type portion 21, wherein an end portion of the first rotor is adjusted. The sleeve member may be mounted at one end of the shaft extending through a bearing, and 23 a second sleeve member may be provided at the other end of the shaft, the next sleeve member being engaged with the second. rotor so as to transmit rotation 25 from one rotor to the other.

At least one support element may be provided at each end of each of the 27 rotors to support the rotors. The device may further comprise a lid for covering the supporting elements and the rotors, the lid having openings provided therein, so as to allow the flow of air inside the rotors and its outlet to the outside. 31

It should be understood that any or all of the features, parts, features and modes of operation described above in connection with the device represented by the first aspect of the present invention can also be incorporated into the device represented by the second aspect of the invention. . 35 as regards a third aspect, the ventilation device, having or being fitted to a heating or cooling pipe, operates so that the heat transmission in 37 counter current due to the natural convection by operating the rotors in such a way that it realizes convection as opposed to natural convection. Such an operation can be applied 39 where no heat transfer is desired as the natural convection is usually conferred by the pipe containing the heating or cooling fluid, a certain amount of heat being transmitted due to the natural convection. , respectively to the convection that is not conferred by an air flow coming out of the rotors. Such a natural convection can be counteracted or eliminated by operating the rotors so that the convection opposite the natural convection is achieved. As regards all aspects of the present invention, the rotors can be electronically regulated and operatively connected, for example to a thermostat. The rotational speed of the 47 rotors can be adjusted in a continuous or continuous way. The adjustment system for adjusting the rotational speed of the rotors can be a system available in the corner market known per se, such as a control system with wide pulse modulation (pwm). 51

In another aspect of the present invention, the ventilation device according to the invention can be mounted in a building comprising a plurality of rooms and at least one ventilation device according to a first aspect of the invention. and optionally at least one pipe containing heating or cooling fluid, wherein the pipe extends between at least two chambers. It is preferable to provide an engine and a thermostat in each room, each thermostat being adapted to adjust the rotational speed of the associated engine, so as to individually adjust the temperature in each of the rooms. The lid can be interrupted when transitioning from a wall or when separating horizontally between the two rooms.

The pipe may be extended between two chambers at the same level, or may extend in a vertical direction, for example between two chambers at different levels, similarly, an engine may actuate a plurality of rotors in a plurality of chambers, in in which case the rotors of two or more chambers are interconnected by means of the aforementioned couplings, in connection with the first and second aspects of the present invention.

An advantage of the ventilation device and the equipped building, according to the invention, is that no valve is required for regulating the heating or cooling flow. This reduces the resistance to leakage through pipes, thus reducing the amount of energy required to transport fluid through the pipe or pipes. Moreover, no independent adjustment of the flow of heating or cooling fluid to different rooms of the building is required.

If the system is used as a cooling system, the pipe containing the cooling fluid may extend 2 ... 10 m into the ground, thereby giving a temperature of the cooling fluid, for example water, to about 1O ... 12 ° C.

The ventilation device further refers to a mounting element for supporting at least one pipe in a fixed position, the pipe extending in a longitudinal direction, and the mounting element being adapted to secure the pipe to a fixed position. transverse direction with respect to the mounting element and to fix the pipe with release possibility with respect to the mounting element. The mounting element has an open face through which the pipe can be inserted in the mounting element in the transverse direction by the relative movement between the mounting element and the pipe. The mounting element can be adapted to support at least two pipes in a fixed position.

When the two pipes are mounted in the mounting element, they can be arranged along a straight line, which extends in a transverse direction, the mounting element preferably having an open face at one end of the straight line through which the pipes can be mounted. be inserted into the mounting element above.

The mounting element can be adapted so that it is brought into engagement with the pipe or pipes by cutting. The mounting element may be further adapted to support a rotor in a fixed ratio to the pipe or pipes, for example a hole extending through the mounting element to support the rotor. The mounting element can be included in a ventilation system according to the first and second aspects of the invention.

The ventilation device according to the invention can be applied to a building containing:

- at least two rooms;

- a heating or cooling pipe extending from the first chamber to the second chamber;

- a ventilation device arranged in each room in the vicinity of the said pipe, the ventilation device being adapted to produce a flow of air transversely on the pipe;

- an adjustment system for adjusting the operation of each of the ventilation devices, so as to vary the coefficient of heat transfer from the pipe to the environment, by varying the air flow of the said air flow.

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Thus, the heating or cooling pipe can extend between a plurality of 1 chambers, without the need for valves for adjusting the flow of heating or cooling fluid from the pipe. The temperature in the rooms can be varied for example by the variation of the flow rate 3 of the air flow created by the ventilation systems and by the variation of the temperature of the supply pipe, respectively by the variation of the temperature of the heating or cooling fluid. A central valve for 5 flow rate variation in the pipe can be provided. One or more thermostats may be provided in the rooms, for example one thermostat in each room. The control system 7 may, according to a signal from each of the thermostats, vary the air flow of the ventilation systems, the central valve and / or the temperature of the supply pipe. There is no need for separate supply systems and / or flow systems with the outside pipe, thus facilitating the installation of the heating and / or cooling system of a building and reducing the costs involved in erecting the building. One or more of the ventilation devices may be ventilation devices according to the first and second aspects of the present invention, in which case the flow rate of the airflow may be varied by varying the rotational speed of the rotor or rotors. Several pipes can be provided, not just one pipe, such as 15 two pipes or even more.

The ventilation device according to the invention allows the temperature variation in at least 17 rooms of a building, comprising a heating or cooling pipe extending between said rooms through a plurality of ventilation devices, each device being adapted to be arranged in each room, in the vicinity of the so-called pipe and adapted to produce an air flow along the pipe and a control system for adjusting the operation of each of the 21 ventilation systems, so that the heat transfer coefficient can be varied from the pipe to the environment, through the variation of the air flow of the so-called air flow. 2. 3

The ventilation device according to the invention allows the adjustment of the coefficient of heat transfer from a cooling or heating pipe in a building comprising at least two 25 rooms, the heating or cooling pipe extending from the first of the rooms to the one the second of the rooms, a ventilation device being arranged in each room, in the vicinity of the so-called pipe, by operating the ventilation device so as to produce an air flow along the pipe, operating the ventilation device so as to vary the air flow 29 of said air flow, and in this way vary the heat transfer coefficient from the pipe.31

By applying the invention, the following advantages are obtained:

- easy adaptability for any space, 33

- individual adjustment of the rooms of the building;

- low noise level; 35

- Easy installation.

Further examples of embodiment of the invention are given, in connection with 37 FIG. 1 ... 17, which represents:

FIG. 1, partial section and view through a ventilation device according to the invention; 39

FIG. 2, section and view through the ventilation device of fig. 1, in a position with an open lid; 41

FIG. 3, section and view through the ventilation device of fig. 1, in a position with a lid open on the opposite side; 43

FIG. 4, section and view through a support element of the ventilation device and a view of some bearings of the installation of fig. 1, 45

FIG. 5 is a cross-sectional view and view through the ventilation device of FIG. 1, with the highlighting of the bearing system; 47

FIG. 6, section through the device of fig. 1, highlighting the mounting of a motor in relation to a support member and a rotor; 49

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FIG. 7 is a sketch illustrating the floor of a building equipped with a ventilation device according to the invention;

FIG. 8 is a cross-section through the ventilation device according to the invention;

FIG. 9, cross-section through the ventilation device according to the invention, with the lid open on both sides;

FIG. 10, a cross-section through the ventilation device, in an embodiment in which the two pipes are located one above the other and both above the rotor;

FIG. 11 is a cross-section through the ventilation device according to the invention, in an embodiment in which the two pipes are located one above the other and the rotor on the other side;

FIG. 12, a cross-section through the ventilation device of FIG. 11, provided with an absorption layer;

FIG. 13, a cross-section through the ventilation device according to the invention, with the highlighting of a mounting element according to the invention;

FIG. 14 is a section through the ventilation device according to the invention in another embodiment;

FIG. 15, a section through the ventilation device according to the invention, in another embodiment;

FIG. 16, a section through the ventilation device according to the invention, in another embodiment;

FIG. 17, section through the ventilation device of fig. 16, with a partially removed lid.

The ventilation device according to the invention is made up, as shown in FIG. 1, of a rotor 2, a supply pipe 3 for a heating or cooling fluid and a return pipe 4 for the fluid. The rotor 2 and the pipes 3 and 4 are supported by a support member 5 in fixed positions relative to each other. The support member 5 comprises a perforated hole 5 ', for hosting and supporting two rotors 2 and the bearings associated therewith. Some sleeves 5 are provided for holding pipes 3 and 4. The installation is provided with a cover 6 with two sets of blinds 6 'and 6, for closing the component elements.

The cover 6 can be pivoted out of pipes 3 and 4, and comprises 90 ° bent portions or hooks 9 provided for engagement with appropriate bores 7 on the support element 5. Bent portions / hooks 9 and bores 7 are adapted for serve both as fastening means and as hinges. The support elements 5 can be mounted to a wall, floor or chassis 17. As illustrated in FIG. 2, 3 and 9, the cover 6 is pivotable in two ways, allowing access to pipes 3 and 4 and to the rotors 2 on both sides.

Fig. 4 and 5 show the arrangement of bearings for the rotor 2. The bearing arrangement comprises two ball bearings 11, mounted on an axis 10 which coexists with the axis of rotation of the rotors 2. A release or cut is provided at each end of the bearing block. 13 for inserting ball bearings 11. An arc 12 is provided for preloading ball bearings 11 so as to eliminate noise that would otherwise have been generated by the bearings. The ball bearings 11 are mounted tightly on the shaft 10, and at least the ball bearing 11 neighboring the spring 12 is freely mounted in the bearing block 13. The spring 12 exerts a force on an outer ring of one of the ball bearings 11, so that to exert a force on the shaft 10 and in this way on an inner ring of the other ball bearing 11.

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Two rubber rings 14 are provided one on each side of the support member 5 so as to secure the bearing block 13 relative to the support member 5 and to dampen the vibrations. In order to support the rotors 2 in position with respect to the axis 10, there is provided an elastic ring 15 of the type of a collar or sleeve, in order to transmit the movement between the rotors 2 and the axis 10, the elastic ring 15 having a central hole or an armored port 5 '15' extending through the shaft 10 and a portion of the collar 15 mounted tightly around an annular drive element 2 'of the rotor 2. The elastic collar or sleeve ring 15, 7 together with the axis 10, serves to transmit the rotation from one rotor 2 to another, and also allows the rotors 2 to be easily removed, for example for cleaning. 9

The rotors 2 are driven by an engine 16, as illustrated in FIG. 6. The motor 16 has an output shaft 16 'connected to an annular element 2' of the rotor 2, in the same way as the one described above in connection with FIG. 5.

Fig. 7 illustrates a floor 20 of a building, equipped according to the invention. 13 The floor 20 comprises a plurality of rooms 21 with a plurality of installations according to the invention 1, located in each room. A hot water or steam water supply pipe 3 enters the floor at point 22 and exits the floor at point 23. In each chamber, the engine 16 of the ventilation system 1 is connected to a thermostat 24 which regulates the rotational speed 17 of the engine. 16, and in this way the amount of heat transmitted by the ventilation system into the room. 19

The guide elements 18 are provided for directing the air coming out of the rotor 2 around the pipes 3 and 4. It is preferable that the guides 18 be adapted so that 21 40 ... 60% of the air passes through the openings above the pipe. supply 3, and the remaining air passes through the openings above the supply pipe 4. 23 in fig. 9 shows that the cover 6 pivots around the recess 7 by means of the hooks 9. The two support elements 5 thus provided are identical, so that the cover 25 can be opened from both sides, while serving as hinge elements, the recesses 7 and the hooks 9 also serve as locks for securing the lid 27 6 in a fixed position relative to the support members 5.

Fig. 10 shows a cross-sectional illustration of a second embodiment of the ventilation device 29 according to the invention, wherein the rotor 2 and the pipes 3 and 4 are arranged one above the other, and the support member 5 having a corresponding shape. 31

Fig. 11 shows a cross-sectional illustration of a third embodiment of the invention, in which the pipes 3 and 4 are arranged one above the other and the rotor 2 is arranged 33 near the pipe 4, in a lateral direction.

Fig. 12 is a cross-sectional illustration of the ventilation device according to the invention of FIG. 11, provided with an absorption layer 19 for the absorption, for example, of condensed water, if the plant is used for cooling purposes. 37

Fig. 13 is an illustration of a fourth embodiment of the ventilation device, which incorporates a support member 5c mounted between a wall 21 and a channel of 39 cables 20, which extends along the wall. Cable channel 20 is adapted to support cables such as power cables and computer network cables. The auxiliary pipe 3 and the return pipe 4 are arranged one above the other, with the rotor 2 arranged on one side of the pipes. The pipes 3,4 and the rotor 2 are supported by a support member 5c, which is adapted to support the cover 6 in the same manner as described above in connection with the previous figures. 45

Rotor 2, as illustrated in FIG. 13, it is adapted to aspirate the air from the ambient atmosphere, on the right side of the figure and to discharge the air through the pipes 3 and 4, the air coming out of the ventilation system in an upward direction, as shown in fig. 13. The support element 5c can be mounted to the cable channel 20 by means of screws or it 49

EN 121488 Β1 can be mounted on a chassis 17 for supporting cable channel 20. It is preferable to have a cover 6 with the blinds, at the top of the ventilation system. The support member 5c may be a mounting element, in accordance with the third aspect of the present invention.

Fig. 14 is an illustration of a fifth embodiment of the ventilation device according to the invention, wherein the support member 5 supporting the rotor 2 is fixed to the cover 6 or is integrated into the cover 6. A structure 25 is provided for supporting the pipes 3 and 4. The structure 25 and the support member 5 are both supported by a chassis or mounting plate 17, which may be, for example mounted to a window sill, a cable channel in a room of the building, or may be mounted in a vertical position at the intersection of two walls of the building or in any position on a wall.

Fig. 15 is an illustration of a sixth embodiment of the ventilation device, according to the invention, the supply and return pipes 3 and 4 are two pipes of the type with fins 3 'and 4', and extend in a vertical direction. The support element 5 supports the pipes with fins 3 'and 4' through an annular element 27 which rests the fins of the pipes with fins 3 * and 4. As an alternative, the annular element 27 can be pressed around - around or fixed in the another way of pipes with 3 'and 4' fins. It is preferable that the annular member 27 can be mounted with the possibility of sliding in the support member 5, so as to allow a relative movement between the pipes 3 'and 4' and the support member 5, caused by thermal expansion. A droplet bowl 28 is provided with a suction layer 19. A drainage pipe 29 is provided to remove condensed water from the droplet tank 28.0 below atmospheric pressure or a vacuum can be created in the drainage pipe 29 so as to suck the condensed water out of the droplet 28.

In another embodiment of the invention, illustrated in FIG. 16, the ventilation device comprises a chassis or mounting plate 17 with mesh or recesses, through which the cover 6 is mounted to the chassis or to the mounting plate 17. Two perforated plates 31 are allowed with the possibility of sliding in the cover 6. Thus , small perforations of the two perforated plates 31 may be superimposed over the large perforations in the lid 6 (which are not shown in the figure). Additionally, a decorative profile 32 and a bearing 33 of the bearing block for supporting the bearing blocks 13 of the rotor or rotors is included in the cover 6, with the possibility of sliding. As shown in FIG. 17, at least one of the holes or recesses 7 in the chassis 17 can serve as a pivot, allowing the cover 6 to be at least partially removed by rotating around the pivot. A bracelet 34 is provided for supporting the pivot. The meshes or recesses 7 can be extended practically along the entire length of the installation, while a plurality of pivot type 34 bracelets, each having a length that is substantially shorter than the length of the ventilation system, can be distributed over the length of the system. . The pipes 3 and 4 are supported by a bracelet 35 of the type of support of a pipe, which allows the fitting of the pipes 3 and 4 by fastening them in the bracelet 35 of the type for pipes. The pipe support bracelet 35 may be a mounting element in accordance with the third aspect of the present invention.

In all embodiments of the invention, the cover 6 and the chassis 17 may be made of aluminum by extrusion or plastic.

If the cover 6 is made by extrusion, the openings thereof may be formed by drilling.

Claims (70)

Revendicări1 1. Ventilation device, characterized in that it comprises: 3 - at least two rotors (2) extending longitudinally around a axis of rotation, each of the rotors (2) being adapted to suck air from the ambient atmosphere in a 5 transverse direction over a substantial portion of the rotor length (2) ) - a motor (16) connected to the rotors (2) so as to produce a rotation of the rotors (2) 7 around its axis; - at least one support element (5) at each end of each of the rotors (2), in order to support the rotors (2); - a cover (6) for covering the support elements (5) and the rotors (2), providing 11 holes with some openings, so as to allow an air flow into the rotors (2) and from the rotors (2) towards out, the cover (6) comprising a connector for connecting the cover 13 (6) to the support member (5) and - the support member (5) is adapted to cooperate with a cover connector (6), 15 so as to connect the cover (6) to the support member (5). A ventilation device according to claim 1, characterized in that the support member (5) is adapted to connect with the possibility of release the cover (6) from the support member (5). Ventilation device according to claim 1, characterized in that the support member (5) is secured by the cover (6) .21 4. A ventilation device according to claim 1, characterized in that a plurality of rotors (2) are mounted in series, and the motor (16) is mounted at one end of the series, the rotors (2) being interconnected by one another. - a coupling. 5. A ventilation device according to claims 1 ... 3, characterized in that a plurality of rotors (2) are mounted in series, and wherein the motor (16) is arranged between two of the rotors (2) in the series. 27 6. Ventilation device according to claims 1 ... 5, characterized in that each of the support elements (5) comprises a bearing (11) for the rotor / rotors (2) supported by a bearing (11). . 7. A ventilation device according to claim 6, characterized in that the bearing 31 (11) comprises at least two bearings with balls, needles, bushings or bearings, and a bearing block (13) adjacent to the outer surface of the bearings. (11), the bearing block (13) being 33 mounted in a hole or groove in the support member (5). 8. A ventilation device according to claims 6 and 7, characterized in that the bearing (11) is adapted to dampen the vibrations of the rotors (2). Ventilation device according to claims 6 ... 8, characterized in that the bearing (11) comprises an elastic ring (15) mounted between the bearing block (13) and a hole or groove in the support member (5). ). 39 10. A ventilation device according to claims 6 ... 9, characterized in that the elastic ring (15) is a collar type and has a collar portion (15 ') in which an end portion of a collar is mounted. rotor (2) and then the elastic ring (15) is mounted at one end of the shaft extending through the bearing (11) and one is optionally provided at the other end 43 of the shaft, which elastic ring (15) is engaged with another rotor (2) so as to transmit the rotation from one rotor (2) to another. 45 11. A ventilation device according to claims 9 ... 10, characterized in that the material of which the elastic ring (15) is made is a softer material than the material of which the collar portion (15 ') is made. RO 121488 Β1 12. A ventilation device according to claims 1 ... 11, characterized in that a thermostat (24) is provided with a thermostat for measuring the ambient air temperature and for adjusting the rotational speed of the rotors (2) in response to the ambient temperature. . 13. Ventilation device according to claims 1 ... 12, characterized in that it is connected to a heating or cooling fluid supply pipe, and for holding the rotors (2) and pipes in fixed positions with respect to each other, the rotors (2) and the cover (6) are provided to provide a substantial part of the air flow coming out of the rotors (2), to flow in a transverse direction along the surface of the pipe to the ambient atmosphere. 14. A ventilation device according to claim 13, characterized in that the support member (5) is adapted to be mounted to the supply pipe and to support the rotors (2) and the pipe in fixed positions with respect to each other. A ventilation device according to claim 13, characterized in that the fluid supply pipe is connected by a fluid return pipe. A ventilation device according to claim 14, characterized in that the support member (5) is provided to support the return pipe in a fixed position relative to the rotors (2) and the supply pipe. 17. A ventilation device according to claims 13 ... 16, characterized in that the supply pipe or return pipe is a flap-type pipe (3 and 4 '). 18. Ventilation device according to claims 13 ... 17, characterized in that the fluid in the supply pipe has a higher temperature than the ambient air temperature, when the installation is used for heating. 19. A ventilation device according to claims 15 ... 17, characterized in that the fluid in the supply pipe is at a lower temperature than the ambient air temperature when the installation is used for cooling. 20. A ventilation device according to claim 19, characterized in that an absorption layer (19) is provided for the absorption of condensed water, when the installation is used for cooling. 21. A ventilation device according to claim 20, characterized in that the suction layer (19) is provided in a drip pan (28), located at the base of the installation. 22. A ventilation device according to claim 21, characterized in that the drip tank (28) is provided with a drainage pipe (29) for draining condensed water and at least one opening for condensate water in the drainage pipe (29). . 23. A ventilation device according to claim 22, characterized in that the pressure in the drain pipe (29) is lower than the ambient pressure, so as to allow the condensed water to be directed outward by suction. 24. A ventilation device according to claim 22, characterized in that at least one of the openings comprises a slot extending longitudinally on the upper part of the drainage pipe (29). 25. A ventilation device according to claims 22 ... 24, characterized in that the drainage pipe (29) is mounted on a support member (5) or is supported by the support member (5). 26. A ventilation device according to claims 22 ... 24, characterized in that the drainage pipe (29) is mounted on the lid (6) or on a chassis (17), or is an integral part of the lid (6) or of chassis (17). 27. A ventilation device according to claims 1 ... 26, characterized in that the lid (6) is provided with a guide (18) for directing the airflow coming out of the rotors (2) along the outer surface of the pipes. . RO 121488 Β1 28. A ventilation device according to claim 27, characterized in that the window (18) is lined or is made of a heat insulating material. 29. Ventilation device, characterized in that it comprises: 3 - at least two rotors (2) extending longitudinally around the axis of rotation, each of the rotors (2) being adapted to draw air from the ambient atmosphere from a 5 transverse direction to a substantial portion of the rotor length (2) ; - a motor (16) connected to the rotors (2) so as to determine the rotation of the rotors (2) 7 about said axis; - at least one coupling for transmitting the driving force of the motor (16) from 9 the first rotor (2) to the next between the rotors (2), the device being adapted to be fitted to a heating or cooling pipe, the rotors (2) being adapted to cause a substantial portion 11 of the flow coming out of the rotors (2) to flow in a transverse direction along the outer surface of the pipe and back into the ambient atmosphere. 13 30. A ventilation device according to claim 29, characterized in that, at each end of each of the rotors (2), in order to support the rotors (2), it comprises at least 15 a support element (5). 31. A ventilation device according to claim 30, characterized in that, for covering the support elements (5) and the rotors (2), a cover (6) is provided which has openings so as to allow flow. of air to enter and exit 19 rotors (2). 32. A ventilation device according to claim 31, characterized in that the cover (6) has a connector for connecting to the support member (5) so as to connect the cover (6) to the support member (5). 33. A ventilation device according to claims 30 ... 32, characterized in that the support member (5) is connected by the lid (6), with the possibility of release. 34. Ventilation device according to claims 30 ... 32, characterized in that the support member (5) is fixed by the lid (6) .27 35. A ventilation device according to claims 29 ... 34, characterized in that a plurality of rotors (2) are mounted in a series in which the motor (16) is arranged 29 between two of the rotors (2) in series. 36. Ventilation device according to claims 30 ... 35, characterized in that each of the support elements (5) comprises a bearing for the rotor (s) (2) held in the respective bearings.33 37. Ventilation device according to claim 36, characterized in that the bearing comprises at least two ball bearings (11), needles, bushings or bearings and a bearing block 35 (13) adjacent to the outer surface of the bearings (11). ), the bearing block (13) being mounted in a hole or groove in the support element (5) .37 38. Ventilation device according to claim 36, characterized in that the bearing is adapted to dampen the vibrations of the rotors (2). 39. Ventilation device according to claims 36 ... 38, characterized in that the bearing comprises an elastic ring (15) mounted between the bearing block (13) and a hole / groove 41 in the support member (5). 40. A ventilation device according to claims 29 ... 39, characterized in that the coupling for transmitting the driving force of the motor comprises an elastic ring (15) of the collar type, having a portion (15) of the collar in which it is mounted. an end portion of a rotor 45 (2), the collar-type elastic ring (15) being mounted at one end of the shaft extending through the bearing, the collar-type elastic ring (15) being optionally provided at the other end of the collar. 47 of the shaft, which element is engaged with the next rotor (2), so as to transmit the rotation from one rotor (2) to another. 49 RO 121488 Β1 41. A ventilation device according to claims 39 ... 40, characterized in that the material from which the elastic ring (15) is made is softer than the material from which the collar-like portion (15) is made. 42. Ventilation device according to claims 29 ... 32, characterized in that, in order to measure the ambient air temperature and to adjust the rotational speed of the rotors (2) in response to the value of the ambient temperature, a thermostat (24 is provided). ). 43. Ventilation device according to claims 29 ... 42, characterized in that it is adapted to hold the rotors (2) and the pipe in fixed positions with respect to each other. 44. A ventilation device according to claim 43, characterized in that the support member (5) is provided to be mounted to the pipe and to support the rotors (2) and the pipe in fixed positions relative to each other. 45. A ventilation device according to claim 43, characterized in that the fluid supply pipe is connected to a return pipe for said fluid. 46. Ventilation device according to claim 29, characterized in that the support member (5) holds the return pipe in a fixed position relative to the rotors (2) and the supply pipe. 47. Ventilation device according to claims 43 ... 46, characterized in that the supply pipe or return pipe may be a flap type pipe (3 'and 4'). 48. Ventilation device according to claims 43 ... 47, characterized in that the fluid in the supply pipe has a higher temperature than the ambient temperature, in the case where the installation is used for heating. 49. Ventilation device according to claims 43 ... 47, characterized in that the fluid in the supply pipe has a lower temperature than the ambient temperature, in the case where the installation is used for cooling. 50. A ventilation device according to claim 49, characterized in that, in the situation where the installation is used for cooling, the absorption layer (19) is provided for the absorption of condensed water. 51. A ventilation device according to claim 50, characterized in that the absorption layer (19) is provided in a drip pan (28). 52. A ventilation device according to claims 49 ... 51, characterized in that it comprises a drainage pipe (29) for directing the condensate water outwards and at least one opening for the condensate water inlet into the pipe. 53. A ventilation device according to claim 52, characterized in that the pressure in the drain pipe (29) is lower than the ambient pressure, so as to allow the condensed water to be directed outwards, by suction. 54. Ventilation device according to claims 52 ... 53, characterized in that at least one opening is provided at the top of the drainage pipe (29), which comprises a slot extending in the longitudinal direction. 55. Ventilation device according to claims 52 ... 54, characterized in that the drainage pipe (29) is mounted to the support member (5) or is supported by the support member (5). 56. A ventilation device according to claims 52 ... 54, characterized in that the drainage pipe (29) is mounted to the lid (6) or to the chassis (17), or represents an integral part of the lid (6) or chassis (17). 57. A ventilation device according to claims 31 ... 56, characterized in that the lid (6) comprises a guide (18) adapted to determine that the air flow coming out of the rotors (2) flows along the surface. exterior of the pipe. RO 121488 Β1 58. A ventilation device according to claim 57, characterized in that the guide (18) is lined with a heat insulating material or is made entirely of a heat insulating material. 3 59. A ventilation device according to claims 15 ... 28 and 43 ... 58, characterized in that it comprises a mounting element (5c) in which at least 5 pipes are mounted, through a sleeve. 60. A ventilation device according to claims 1 ... 29 and 30 ... 59, characterized in that the heating or cooling fluid supply pipe is mounted between at least two rooms of a building and for at least one. the chamber is provided with at least one motor 9 (16) and one thermostat (24), adapted to adjust the rotational speed of the motor (16) associated with it, so as to regulate the temperature in the respective chamber. 11 61. A ventilation device according to claim 60, characterized in that the supply pipe extends between two chambers at the same level. 62. A ventilation device according to claim 60, characterized in that at least part of the pipe extends in a vertical direction.15 63. A ventilation device according to claim 60, characterized in that the respective pipe extends between the rooms of the building at different levels. 64. A ventilation device according to claim 60, characterized in that at least a portion of the pipe extends underground so as to confer a heat transfer 19 between the ground and the fluid in the pipe. 65. Ventilation device according to claim 59, characterized in that, by means of the mounting element (5c), at least one pipe is mounted in a fixed position, the pipe extending in a longitudinal direction, the mounting element (5c) being adapted for fixing the pipe in 23 transverse direction with respect to the mounting element (5c), and for fixing the pipe with the possibility of decoupling with respect to the mounting element (5c), it having an open part 25 through which the pipe can be inserted in the mounting element in the transverse direction, by the relative movement between the mounting element (5c) and the pipe. 27 66. Ventilation device according to claim 65, characterized in that the mounting element (5c) is adapted to support at least two pipes in a fixed position. 29 67. A ventilation device according to claim 65, characterized in that the two pipes when mounted in the mounting element (5c) are arranged along a straight line extending in a transverse direction, the latter having an open part. at one end of the straight line, through which the pipes can be inserted into it. 33 68. A ventilation device according to claim 65, characterized in that the mounting element (5c) is adapted to be engaged with the respective pipe or pipes 35 by a sleeve. 69. A ventilation device according to claims 65 ... 67, characterized in that it is adapted and maintains a rotor (2) in a fixed relation with respect to the pipe or pipes concerned. 70. A ventilation device, characterized in that it comprises an opening 39 which extends through the mounting element (5c) in order to support the rotor (2).